<p>An aqueous ink composition containing a europium compound (A) represented by the following formula (1), a binder (B) and an aqueous medium (C). (1) (wherein X represents an aromatic ring group or a heterocyclic ring group that may have a substituent, Y represents a fluorinated hydrocarbon group having 1-10 carbon atoms, and M represents an alkali metal or an alkaline earth metal.)</p>
